Resilient SFBL Relic MXT Series - Spidey Baseball GloveSustainably Crafted Traditionally Tanned Leather The Relic MXT is more than a limited edition gloveit's a commitment to quality, tradition, and the environment. While mass producers use 1 day chemical tanning, we honor a 40 day traditional bark tanning process perfected by Native Americans. The 40 Day Difference: Using a special blend of natural bark from oak, hemlock, chestnut, and walnut trees, along with leaves from fruit trees, our leather takes